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Anyone who has cursed at a factory AR-15 pivot pin during a build knows the frustration of chasing a spring-loaded detent across the bench. The Battle Arms Development Enhanced Pin Set for AR-15/M16/M4 rifles fixes the two flushest, most fiddly parts of the lower receiver. It swaps the standard takedown and pivot pins for a matched pair machined from Grade 5 titanium, coming in at roughly half the weight of a mil-spec set while giving you noticeably better purchase when you push them out.
The set drops right into any lower with standard .250-inch pivot and takedown pin holes, so there's no fitting or modification for a typical build. The pins carry a natural machined titanium finish, and the low-profile heads sit closer to the receiver than mil-spec parts, so nothing snags or gets in the way. A patent-pending head design boosts grip and pull strength without going to an oversized head, and the takedown pin head is shaped so it won't block a right-side ambidextrous safety selector.
Small details make a big difference here. Both pin tips are extended about 0.030 inch over mil-spec, which helps you start and push the pins out from the left side of the receiver without excess protrusion. A cone-shaped recess at each tip acts as a guide so a punch, tool, or even a bullet tip won't slip and gouge your receiver. Total set weight is around 0.256 oz, splitting to about 0.128 oz for the takedown pin and 0.160 oz for the pivot pin.
The pivot pin is where this set really earns its keep. Battle Arms added a patent-pending EZ Guide Channel that assists installation of the enhanced pivot pin, which means no more launching detents and springs across the room. The set ships complete with KNS hardened stainless steel detents and nickel-plated stainless pin springs, so you have everything needed to get it seated. It's a clean, practical upgrade for lightweight builds or anyone who breaks their rifle down often.
Yes, it's a direct drop-in for any AR-15, M16, or M4 lower receiver built to mil-spec with .250-inch diameter front pivot and rear takedown pin holes. No fitting or modification is needed for a standard build. Do note the enhanced pivot pin is not compatible with the proprietary AX556 receiver, though the takedown pin still works there.
The Grade 5 titanium set runs about 50 percent lighter than a standard mil-spec steel pin set. The full set weighs roughly 0.256 oz total. It's a small change on its own, but it adds up when you're chasing every ounce on a lightweight build.
That's the whole point. The pivot pin includes a patent-pending EZ Guide Channel that assists installation and helps keep the detent and spring under control, so you're far less likely to send parts flying. The extended, cone-recessed tips also make pushing the pins out cleaner and reduce the chance of scratching your receiver.
No. The enhanced takedown pin head is shaped specifically so it doesn't obstruct a right-side ambidextrous safety selector lever. If you're running an ambi safety, this set is designed to play nice with it.
| UPC | 810033780400 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | BAD-EPS-TI |
| Color | Silver |
| Length | 5.1000 |
| Product Type | Takedown Pins |
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